.icon{
    display: inline-block;
}

.icon-wb{
    width: 21px;
    height: 17px;
    background-image:url(https://www.xunlei.com//v2018/dist/spr_common.png?h=26ef6d);
    background-position:-195px -141px;
    background-repeat:no-repeat
}

.icon-wb:hover{
        background-image:url(https://www.xunlei.com//v2018/dist/spr_common.png?h=26ef6d);
        background-position:-221px -141px;
        background-repeat:no-repeat;
    }
.icon-wx{
    width: 20px;
    height: 16px;
    background-image:url(https://www.xunlei.com//v2018/dist/spr_common.png?h=26ef6d);
    background-position:-225px -177px;
    background-repeat:no-repeat
}
.icon-wx:hover{
        background-image:url(https://www.xunlei.com//v2018/dist/spr_common.png?h=26ef6d);
        background-position:-225px -198px;
        background-repeat:no-repeat;
    }

.ico {
    position: absolute;
    left: 0;
    top: 0;
    display: block;
    width: 40px;
    height: 38px;
}
.ico01,.ico02,.ico03,.ico04,.ico05{
    background-image:url(https://www.xunlei.com/v2018/dist/spr_common.png?h=26ef6d);
}
.ico01 {
    background-position:0px -177px;
    background-repeat:no-repeat;
}
.ico02 {
    background-position:-45px -177px;
    background-repeat:no-repeat;
}
.ico03 {
    background-position:-90px -177px;
    background-repeat:no-repeat;
}
.ico04 {
    background-position:-135px -177px;
    background-repeat:no-repeat;
}
.ico05 {
    background-position:-180px -177px;
    background-repeat:no-repeat;
}